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Repair & Mainteneance S6S

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FOREWORD

This Shop Manual was written to provide necessary information on the maintenance and repair instructions for the

Model S6S diesel engine designed for industrial equipment. To take full advantage of the features built in the engine

and industrial equipment on which the engine is installed, service the engine in an orderly manner and observe specified

requirements when performing overhaul or repair of any unit.

Keep this Shop Manual in the shop as a ready reference for service personnel who service the engine or equipment.

The specifications and standard values given in this Shop Manual are subject to change without notice.

This Shop Manual covers the following truck models:

D1F5F35U D1F5F40U
D1F5F45U D1F5F50U
D1F5M35U D1F5M40U
D1F5M45U D1F5M50U
S6S-Y231TFL D1F5F35U D1F5F40U
D1F5F45U D1F5F50U
MAIN PARTS LIST

1. Engine model: S6S-31TFL, S6S-31TFLW, S6S-Y231TFL)

No Part name Part No. Q’ty


1 FILTER, OIL AG-32B40-00100 1

2 FILTER, FUEL AG-34462-21040 1


3 ELEMENT, AIR FILTER 230C1-02061 1
4 V-BELT AG-05910-20049 1

5 OVERHAUL GASKET KIT AG-32B94-01070 1


6 OIL SEAL, FRONT AG-F3015-07023 1
7 OIL SEAL, REAR AG-34407-11090 1

8 ALTERNATOR ASSY AG-32A68-06800 1


9 STARTER MOTOR AG-32B66-00400 1
10 GASKET, CYLINDER HEAD AG-32B01-12100 2

11 TIMER, GLOW 243C2-42421 1


12 RELAY, GLOW 243C2-42411 1
13 RELAY, SAFETY 243C2-42401 1

Note: The above list has been prepared using data obtained as of February 2005.
The specifications of the parts are subject to change without notice.
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2. The engine Removal Procedure
2.1 It makes key position “OFF” and it removes the earth
cable (–) of the battery.

2.2 It drains the engine oil, cooling water.


(It refers to the clause preparation 1.3, 1.4.)

2.3 It removes an air intake hose from the engine.


(After loosening the hose band, it remove.)

2.4 It removes two radiator cover.


(The front cover and the rear cover.)

2.5 It removes a headguard as occasion demands.

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2.6 It removes a bonnet. (It remove two gas spring and
it removes the mounting bolt of bonnet hinge.)

! CAUTION: When removing two gas spring, the


support of the bonnet passes away and
there is possibility to close suddenly at
the weight of bonnet. Support a bonnet
with sim tree and so on and work.

2.7 It removes two nuts in the connection between the


exhaust manifold and front pipe.)
(When it is difficult to remove, it removes muffler
mounting bolt.)

2.8 It removes radiator hose (upper and lower) and


removes fan shroud or radiator.

! CAUTION: When it moves a radiator hose, there is


possibility that hot cooling water rush cut.
Even if it drain out, be careful sufficiently.

2.9 It removes the electric wiring and the tube of fuel which
connects to the engine.

2.10 It makes for a placing transmission to be supported in the wooden block by the bottom of the
transmission.

2.11 It hangs with crane and it maintains an engine.

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2.12 It removes bolt and nut of the engine mount part.

2.13 It removes a pin cotter in the drive shaft in the clutch


housing and it removes the drive shaft from the clutch
disk. (The clutch type)

2.14 It removes the bolt between input plate and flywheel.


The bolt is ten pieces.
(The torque converter type.)

2.15 It removes the bolt of clutch (torque) housingcase.

2.16 It removes an engine.

! CAUTION: When removing an engine, it careful of whether or not the interference in the
neighborhood. Specifically, it is careful of interference of the radiator, when it is
difficult to remove, it removes a radiator fan.

* It does engine installation by the procedure which the removal is opposite to.

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